Group 1
Question: How is lava made?
Conjecture: Lava is made from gas and water.

Underwater volcano facts Yahoo
Underwater Volcanoes Formed Ask Kids
General facts about volcanoes Scholastic
Underwater Volcanoes EHow
10 Incredible Underwater Volcanoes
Volcanoes: Facts, Formation, and the Deadliest in History
Volcano Facts for Kids- Lots of Resources
Facts about Volcanoes for Kids
Lava Scholastic
See Lead 21 Unit 4 page

Group 2
Question: What animals live in the coral reef and how do they use it as their home?
Conjecture: Clown fish, crabs, star fish, puffer fish, sting rays. Animals will blend in with their surroundings.

Kids Santa Barbara Coral Reefs
Coral Reef Info.com
Coral Reef National Geographic Video
Eco Kids Coral Reef
Coral Reef Animals Enchanted Learning
Coral Reef BBC Kids Video
Coral Reefs Kids Discover
See Lead 21 Unit 4 page

Group 3
Question: If all glaciers melted, what would happen?
Conjecture: The water from the glaciers will make the Earth flood. All living things would die. The world would end.

Glacier Videos
What are glaciers Discovery Kids
Lots of Glacier Links
Melting glaciers video
Glacier and Icebergs Power Points
Melting Glaciers
ESA Kids- Glaciers
True Flix Climate Change
True Flix Antartica
See Lead 21 Unit 4 page

Group 4
Question: How did Jacque Cousteau's team live under water for a month?
Conjecture: They used special equipment.

See Group 1's links
Jacques Cousteau's underwater village BBC Kids
Living Underwater
Cousteau's Conshelf
Jacques Cousteau Biography
Jacques Cousteau Facts
Jacques Cousteau Centennial National Geographic
Cousteau the Sea King

Group 5
Question: How do underwater volcanoes form?
Conjecture: Over time rocks build up and form a volcano and when the volcano erupts it forms an island.

Underwater volcano facts Yahoo
Underwater Volcanoes Formed Ask Kids
General facts about volcanoes Scholastic
Underwater Volcanoes EHow
10 Incredible Underwater Volcanoes
Volcanoes: Facts, Formation, and the Deadliest in History
Volcano Facts for Kids- Lots of Resources
See Group 1's links for information
See Lead 21 Unit 4 page